In Japanese, an address is written from the largest area to the smallest: prefecture, city, district and finally the block and house number. In Roman letters the order is reversed, following Western conventions.
8998104
〒899-8104
鹿児島県曽於市
大隅町鳴神町1-2-3
山田 太郎 様
Japanese-style address
Taro Yamada
1-2-3 Narugami-machi, Osumi-cho
So-shi, Kagoshima 899-8104
JAPAN
English-style address
1-2-3 is an example of the chōme, block and house number. Replace it and the name with the real ones.